Effects of duration of electric pulse on in vitro development of cloned cat embryos with human artificial chromosome vector.

Effects of duration of electric pulse on in vitro development of cloned cat embryos with human artificial chromosome vector.
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电脉冲持续时间对人类人工染色体载体克隆猫胚胎体外发育的影响。

DOI:
10.1111/rda.12766
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发表时间:
2016
期刊:
影响因子:
1.7
通讯作者:
Otoi T.
Otoi T.
中科院分区:
农林科学3区
文献类型:
--
作者:
Do L;Wittayarat M;Terazono T;Sato Y;Taniguchi M;Tanihara F;Takemoto T;Kazuki Y;Kazuki K;Oshimura M;Otoi T.

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目前,克隆猫的应用包括制作人类和动物疾病研究的模型。本研究旨在通过比较电脉冲持续时间来探讨转基因克隆猫胚胎体外发育的最佳融合方案。将含有人人工染色体(HAC)载体的猫成纤维细胞用作遗传修饰的核供体细胞。将偶联融合并同时用3.0 kV/cm的单个DC脉冲激活30或60 μs。当融合持续时间延长至60 μs时,在重建的HAC-转染色体胚胎中观察到低融合率和胚胎发育至囊胚期。相比之下,延长电脉冲持续时间改善了无HAC载体的重构对照胚胎的发育和质量。结果表明,不同类型的供体细胞在电脉冲条件下的最佳融合参数是不同的。
ContentsThe current applications for cat cloning include production of models for the study of human and animal diseases. This study was conducted to investigate the optimal fusion protocol on in vitro development of transgenic cloned cat embryos by comparing duration of electric pulse. Cat fibroblast cells containing a human artificial chromosome (HAC) vector were used as genetically modified nuclear donor cells. Couplets were fused and activated simultaneously with a single DC pulse of 3.0 kV/cm for either 30 or 60 μs. Low rates of fusion and embryo development to the blastocyst stage were observed in the reconstructed HAC‐transchromosomic embryos, when the duration of fusion was prolonged to 60 μs. In contrast, the prolongation of electric pulse duration improved the embryo development and quality in the reconstructed control embryos without HAC vector. Our results suggested that the optimal parameters of electric pulses for fusion in cat somatic cell nuclear transfer vary among the types used for donor cells.
电融合:一种新颖的杂交技术。
DOI: --
发表时间: 1985
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影响因子: --
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影响因子: --
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